Switch to CARAVEL_LITE

Makefile

diff --git a/Makefile b/Makefile
index 4d7aab6..7d4e1c1 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@
 SIM?=RTL
 
 # Install lite version of caravel, (1): caravel-lite, (0): caravel
-CARAVEL_LITE?=0
+CARAVEL_LITE?=1
 
 # PDK switch varient
 export PDK?=sky130A